Home / 2,328.24-3,485.64-1,815.60

Finding the Fourth Proportional to 2,328.24, 3,485.64 and 1,815.60

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Solution

The fourth proportional to 2,328.24, 3,485.64 and 1,815.60 is: 2,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.24 : 3,485.64 = 1,815.60 : x
  2. Step 2: Convert to fraction form
    2,328.24/3,485.64 = 1,815.60/x
  3. Step 3: Cross multiply
    2,328.24x = 3,485.64 × 1,815.60
  4. Step 4: Simplify right side
    2,328.24x = 6,328,527.98
  5. Step 5: Solve for x
    x = 6,328,527.98/2,328.24
  6. Step 6: Final answer
    x = 2,718.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.